void tuong1(char b[][100])
{
	int i,j;
	for(i=0;i<=24;i++)
		for(j=0;j<=24;j++)
			if(i==0&&j==0)
				b[i][j]=201;
			else if(i==24&&j==0) b[i][j]=200;
			else if(i==0&&j==24) b[i][j]=187;
			else if(i==24&&j==24) b[i][j]=188;
			else if(j>0&&j<24&&(i==0||i==24)) b[i][j]=205;
			else if(i>0&&i<24&&(j==0||j==24)) b[i][j]=186;
			else b[i][j]=32;
}